Cycle exerciser



FIG. 1 is a perspective view of a cycle exerciser showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side being substantially the mirror image of that shown;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a top plan view thereof. 

The ornamental design for a cycle exerciser, substantially as shown and described. 